Usually you only need some subset of the data per page load if you invest some time looking at dev tools you can probably find the API call you need and save yourself a few MB.
They all offer scraping APIs now too that can be cheaper for certain use cases where you only need a subset of the data that is actually loaded. Like $1.3 per 1k requests: https://oxylabs.io/products/scraper-api/web/pricing or $1 per 1k: https://brightdata.com/pricing/web-scraper